OpenAI Codex CLI vs OpenCode vs ReadDocs vs Claude Code
Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.
Your tool
OpenAI Codex CLI
vs
OpenAI Codex CLI
Competitor 1
OpenCode
OpenCode
Competitor 2
ReadDocs
ReadDocs
Competitor 3
Claude Code
Claude CodeCompare
4 tools · best value per row highlighted
Your tool
OpenAI Codex CLI
OpenAI Codex CLI
developers.openai.com
OpenAI Codex CLI brings the Codex coding agent to the terminal and to scripts.
Competitor
OpenCode
OpenCode
opencode.ai
OpenCode is an open-source AI coding agent that helps developers write code in the terminal, an IDE or a desktop app.
Competitor
ReadDocs
ReadDocs
readdocs.co.uk
Upload a PDF contract and ReadDocs spits out a one-minute summary, bullet points, and answers to specific questions you ask
Traffic estimated monthly website traffic
Monthly visits
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744visits/mo
123.5Mvisits/mo
MoM change
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▲ 141.6%
▼ 6.8%
6-month growth
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—
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+106.6%
Global rank web
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#434
Avg. last 3 months
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384
125.2M
Bounce rate lower is better
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39%
64%
Pages / visit
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1.1
2.2
Visit duration
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—
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2m 36s
Traffic sources
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—
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● Direct 82% · ● Referral 15%
OpenAI Codex CLIOpenCodeReadDocsClaude Code
Pricing
Model
Paid
Free
Freemium
Freemium
Starting price
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Free
Free tier
$17per month · free tier available
Free tier
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Free trial
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–
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API access
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–
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Plans
GPT-6-Astra $10GPT-6.1-Sol $2GPT-6-Luna $0.10GPT-Live-1 $0.05/minute+1 more
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Free FreePro £9.99/moBusiness £29/mo
Free FreePro $17/moMax 5x $100/moMax 20x Custom/mo+2 more
Capabilities input → output
Input
CodeImagesText
CodeText
DocumentsImagesText
CodeText
Output
Code
Code
Text
Code
Skill level
Advanced
Advanced
Beginner-friendly
Intermediate
Categories
Tasks what each tool can do · 0 shared · core partial
Tasks covered
2
3
10
6
Coding
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Developer tools
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Development
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Document summaries
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Document summarization
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PDF summaries
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Summarizing
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Agents
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Code analysis
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Code reviews
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Debugging
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Interactive PDF processing
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OCR
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Official documents q a
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PDF analysis
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Summaries
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Meeting summaries
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
0
2
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.